Course Details
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Course Description
course will cover relevant subjects required to understand the structural mechanics of downhome tubular for HPHT wells.
Material aspects, connection selection, performance properties, load cases, design factors and buckling are just a few of the many topics covered. The training is designed to casing design for HPHT exploration, appraisal and well developments and their associated risks, challenges and solutions. The participant will be able to design casing for any well: onshore, offshore, high pressure and high temperature wells, horizontal and multilateral wells
course will increase the participants’ understanding of the HPHT Cementing well construction plan, have a good working knowledge of cements, cementing additives and placement procedures. The use of temperature modeling, computer programs used for job design.
This course covers the importance being placed on the cement sheath integrity during the life of the HPHT well, requiring additional mechanical properties of the set cement be obtained other than the compressive strength.
The course covers the use of cement formulations, cement additives, casing hardware, cement blending, on-site mixing equipment and a well-planned job procedure. Cementing guidelines will be covered that aid in overall job performance.
Cementing is a fundamental element of effective well construction. By understanding cement chemistry, additive use, and lab procedures the participants will able to build a solid foundation to design and execute cement jobs. Mud removal and centralization will be taught so that the participants can apply effective processes to ensure cement job success.
During this course, participants will practice cementing calculations, as well as job design exercises and cement evaluation methods using real-life examples. Liner cementing and stage cementing jobs will be developed in the classroom. Cement design software will also be demonstrated.
The Training Course Will Highlight ?
During this course, participants will practice cementing calculations, as well as job design exercises and cement evaluation methods using real-life examples. Liner cementing and stage cementing jobs will be developed in the classroom. Cement design software will also be demonstrated.
Training Objective
During this course, participants will practice cementing calculations, as well as job design exercises and cement evaluation methods using real-life examples. Liner cementing and stage cementing jobs will be developed in the classroom. Cement design software will also be demonstrated.
Target Audience
The workshop is intended for Graduate trainee, Drilling Engineers, Drilling Representatives, Drilling Fluid Engineers and Contractor Personnel, Drilling Supervisors. Cementing Engineers (Offshore and Onshore Personnel), well engineer, petroleum engineer and Technical Support involved with drilling operations and responsible for the development, planning and application of the well cementing and casing program.
Training Methods
- Lecture (60%)
- Videos (20%)
- Case Studies (10%)
- Discussion (10%)
Daily Agenda
Day 1
- Introduction to Casing and Tubing Design in HPHT wells.
- Casing and Tubing String Design Process
- Casing and tubing string design targets and steps for HPHT.
- Previous considerations.
- Clearance considerations.
- Loads calculation and plotting loads vs. depth process.
- Detailed string design process.
- Design factors and safety factors.
- Working stress design methods.
- Limit stress design methods.
- Quantitative risk analysis.
- Pipe load cases and pipe selection.
- Bending, buckling, ballooning, thermal and shock loads.
- Drag forces.
- Basic Concepts-Purpose of Tubular Strings.
- Material aspects of design.
- The components of connection and connection selection techniques for HPHT wells.
- Performance Properties – Rating calculation methods for each of the five design factors.
- Fundamental Design Principles for HPHT wells.
Day 2
- Casing function/physical properties/strength, Selection of casing setting depths, Casing design (graphical method)
- Casing design considerations (max load concept), Safety factors
- Shock load
- Hole deviation
- Drag
- Bending
- Buckling
- External/internal pressure changes
- Temperature
- Subsidence
- Biaxial considerations
- Triaxial stress in casing design
- processes and fluids with higher temperatures and pressure capabilities.
- Mud Thermal stability
- Flash point
- Base oil Kinematic Viscosity
- ECD Management - Narrow PP/FG Window
- Barite Sag Avoidance
- Drilling with High Overbalance - Differential Sticking
- Time Dependent / Pressurized Shale
- Lost Circulation
- Software Packages (for planning and operations)
- Processes and Procedures
- Experienced People & Technical support
Day 3
- Casing practices/handling
- Casing equipment
- Casing design/casing preparation workshops for HPHT wells
- Casing cementing considerations /cementing workshop
- Introduction to cement technology
- Function of casing and cementing jobs
- Cement equipment
- Casing and cement and hardware design
- Cement operations
- Cement manufacture and chemistry
- Classes of cement
- Cement calculation {caliber log)
- Case study
Day 4
- Cement casing string in HPHT wells
- Primary Cementing
- Cementing calculations for HPHT.
- Conductor / Surface Casings
- Cementation of surface and Intermediate Casings
- Cementation of Liners
- Centralization
- Cement additives
- Slurries of cement and testing HPHT.
- Cement problems and remedial action
- Case studies and applications
- Cement excess calculations
- Cement mechanisms
- washes and spacers
- Displacement Cement Theory
- Cement squeeze
- Remedial cement repair
- Cementing plug (Plug Back/Side Track/Lost Circulation/P& A)
- Trouble shooting and remedial action
- Cement casing design
- One stage cement
Day-5
- Annular gas migration study and mitigation
- Two stage cement
- Cement operations
- Case study
- Cement problems and remedial action
- Case studies and applications
- Exercise and work shop
- Over View on Casing
- Casing operations
- Cementing of deviated and horizontal wells
- Casing problems and trouble shooting
- Cement evaluation tools (CBL-VDL- USIT)
- Case studies and applications
- Work shop and practical exercise
Accreditation
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BTS attendance certificate will be issued to all attendees completing minimum of 80% of the total course duration.
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